CYJ_needle rollers bearing can bear greater radial load and there are ones with inner ring and without inner ring. G2 needle rollers are installed, the tolerance of the average diameter is within 2um. Rigidity holders are adopted to correctly lead the needle rollers to be parallel with the axes.

Main Structure Style Bearing No. Characteristics of Structure
NK NKS RNA49 RNA48 Double Edge Match of Outer Ring, Single Line, without Inner Ring
NKI NKIS NA49 NA48 Double Edge Match of Outer Ring, Single Line, with Inner Ring
RNA69 Double Edge Match of Outer Ring, Double Lines, without Inner Ring
NA69 Double Edge Match of Outer Ring, Double Lines, with Inner Ring.
RNA49...RS RNA49...2RS Single or Double Surface Airproofing Double Lines
NA69...RS NA69...2RS Single or Double Surface Airproofing Double Lines.
RNAO Outer Ring without capped edge, single line or double lines, without inner ring
NAO Outer Ring without capped edge, single line or double lines, with inner ring.
RNAV Double capped edge of outer ring, single line, without inner ring
NAV Double capped edge of outer ring, single line, with inner ring